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    • 21. 发明申请
    • Resource Management for Scalable File System Recovery
    • 可扩展文件系统恢复的资源管理
    • US20090006494A1
    • 2009-01-01
    • US11772036
    • 2007-06-29
    • Bo HongJohn ColgroveRamon PantinFeng WangOleg Kiselev
    • Bo HongJohn ColgroveRamon PantinFeng WangOleg Kiselev
    • G06F17/30
    • G06F11/0727
    • A system and method for storing data. In one embodiment, a file system stores data including associated metadata. In response to detecting that a file system error has occurred, the file system identifies a container including data in which the error occurred and performs a consistency check of the data included in the container. If a bidirectional link exists between the container and another container and if an error is found in the bidirectional link, the file system performs a consistency check of data included in the other container and determines if another bidirectional link exists between the other container and a third container. If another bidirectional link exists between the other container and a third container and if an error is found in the other bidirectional link, the file system performs a consistency check of data included in the third container.
    • 一种用于存储数据的系统和方法。 在一个实施例中,文件系统存储包括相关元数据的数据。 响应于检测到文件系统错误已经发生,文件系统识别包括发生错误的数据的容器并且对包含在容器中的数据执行一致性检查。 如果容器和另一容器之间存在双向链接,并且如果在双向链路中发现错误,则文件系统对包含在另一个容器中的数据执行一致性检查,并确定在另一个容器和第三个容器之间是否存在另一个双向链路 容器。 如果在另一容器和第三容器之间存在另一个双向链接,并且如果在另一个双向链路中发现错误,则文件系统对包含在第三容器中的数据执行一致性检查。
    • 22. 发明授权
    • Resource management for scalable file system recovery
    • 可扩展文件系统恢复的资源管理
    • US07676704B2
    • 2010-03-09
    • US11772036
    • 2007-06-29
    • Bo HongJohn ColgroveRamon PantinFeng WangOleg Kiselev
    • Bo HongJohn ColgroveRamon PantinFeng WangOleg Kiselev
    • G06F11/00
    • G06F11/0727
    • A system and method for storing data. In one embodiment, a file system stores data including associated metadata. In response to detecting that a file system error has occurred, the file system identifies a container including data in which the error occurred and performs a consistency check of the data included in the container. If a bidirectional link exists between the container and another container and if an error is found in the bidirectional link, the file system performs a consistency check of data included in the other container and determines if another bidirectional link exists between the other container and a third container. If another bidirectional link exists between the other container and a third container and if an error is found in the other bidirectional link, the file system performs a consistency check of data included in the third container.
    • 一种用于存储数据的系统和方法。 在一个实施例中,文件系统存储包括相关元数据的数据。 响应于检测到文件系统错误已经发生,文件系统识别包括发生错误的数据的容器并且对包含在容器中的数据执行一致性检查。 如果容器和另一容器之间存在双向链接,并且如果在双向链路中发现错误,则文件系统对包含在另一个容器中的数据执行一致性检查,并确定在另一个容器和第三个容器之间是否存在另一个双向链路 容器。 如果在另一容器和第三容器之间存在另一个双向链接,并且如果在另一个双向链路中发现错误,则文件系统对包含在第三容器中的数据执行一致性检查。
    • 23. 发明授权
    • System and method of hierarchical space management for storage systems
    • 存储系统分级空间管理系统和方法
    • US08495111B1
    • 2013-07-23
    • US12236194
    • 2008-09-23
    • Feng WangJohn A. ColgroveBo HongOleg Kiselev
    • Feng WangJohn A. ColgroveBo HongOleg Kiselev
    • G06F17/30
    • G06F3/0604G06F3/0619G06F3/0631G06F3/0644G06F3/0683G06F11/0727G06F11/0793
    • A system and method for storing data. In one embodiment, a storage system includes a resource manager and a hierarchical entry tree describing storage entities of the storage system. At each given level of the tree higher than the bottom level, metadata entries summarize storage availability at a level below the given level. The resource manager receives a request to store data of a target size at a target location corresponding to a first portion of the entry tree and scans the entry tree to determine if contiguous, free storage entities of the target size are available at the target location. In response to determining that contiguous, free storage entities of the target size are not available at the target location, the resource manager scans portions of the entry tree outside the first portion to identify contiguous, free storage entities of the target size, where it stores the data.
    • 一种用于存储数据的系统和方法。 在一个实施例中,存储系统包括描述存储系统的存储实体的资源管理器和分层条目树。 在高于底层的树的每个给定级别,元数据条目将存储可用性总结在低于给定级别的级别。 资源管理器接收在对应于条目树的第一部分的目标位置处存储目标大小的数据的请求,并扫描条目树,以确定目标大小的连续的空闲存储实体是否在目标位置可用。 响应于确定目标大小的连续的空闲存储实体在目标位置不可用,资源管理器扫描第一部分之外的条目树的部分,以识别目标大小的连续的空闲存储实体,其中存储 数据。
    • 24. 发明授权
    • Fast connectivity recovery for a partitioned namespace
    • 分区命名空间的快速连接恢复
    • US07941709B1
    • 2011-05-10
    • US12204486
    • 2008-09-04
    • Bo HongJohn A. ColgroveFeng WangOleg Kiselev
    • Bo HongJohn A. ColgroveFeng WangOleg Kiselev
    • G06F11/00
    • G06F11/0751G06F11/0727G06F17/30091
    • A system and method for storing data. In one embodiment, a file system includes a hierarchy of nodes partitioned into a plurality of containers. The file system further includes metadata associated with each node. First metadata describes each node's references to other nodes and second metadata identifies each node's parent node. The file system further includes a linkage table associated with each container. Each linkage table comprises entries describing links between a node owned by the associated container and other nodes. In response to detecting that a file system error has occurred, the file system identifies a container which corresponds to the detected error, corrects inconsistencies between the first and second metadata associated with each node owned by the container, and corrects inconsistencies between each of the entries of the linkage table associated with the identified container and the first and second metadata.
    • 一种用于存储数据的系统和方法。 在一个实施例中,文件系统包括被划分成多个容器的节点层级。 文件系统还包括与每个节点相关联的元数据。 第一个元数据描述每个节点对其他节点的引用,第二个元数据标识每个节点的父节点。 文件系统还包括与每个容器相关联的联动表。 每个链接表包括描述由相关联的容器所拥有的节点与其他节点之间的链接的条目。 响应于检测到文件系统错误发生,文件系统识别与检测到的错误相对应的容器,校正与容器所拥有的每个节点相关联的第一和第二元数据之间的不一致性,并且校正每个条目之间的不一致性 与所识别的容器相关联的链接表以及第一和第二元数据。
    • 30. 发明授权
    • Fastener
    • 紧固件
    • US08585336B2
    • 2013-11-19
    • US13308551
    • 2011-12-01
    • Tao TaoBo Hong
    • Tao TaoBo Hong
    • F16B21/00
    • F16B5/0266
    • A fastener includes a bolt, a ring engaged around the bolt, and a coil spring. The bolt includes a head, a threaded engaging portion, a shaft portion between the head and the threaded engaging portion, and a bottom flange extending radially and outwards from an end of the shaft portion connecting the threaded engaging portion. The shaft portion includes a main part connecting the head, a tail part connecting the bottom flange, and a guiding part connecting the main part and the tail part. A diameter of tail part is smaller than a diameter of the main part. A diameter of the guiding part increases from the tail part to the main part along an axial direction of the bolt. The coil spring coils the shaft portion and is sandwiched between the head of the bolt and the ring.
    • 紧固件包括螺栓,围绕螺栓接合的环和螺旋弹簧。 螺栓包括头部,螺纹接合部分,头部和螺纹接合部分之间的轴部分,以及从连接螺纹接合部分的轴部分的端部径向向外延伸的底部凸缘。 轴部包括连接头部的主要部分,连接底部凸缘的尾部和连接主要部分和尾部的引导部分。 尾部的直径小于主要部分的直径。 引导部分的直径沿着螺栓的轴向方向从尾部增加到主要部分。 螺旋弹簧将轴部分螺旋并夹在螺栓的头部和环之间。